Lua APA (7ú heag.)

Robinson, O. P. (1940). Retail personnel relations. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

Robinson, O. Preston. Retail Personnel Relations. New York: Prentice-Hall, 1940.

Lua MLA (9ú heag.)

Robinson, O. Preston. Retail Personnel Relations. Prentice-Hall, 1940.

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